CY62128BNLL-55ZXI Cypress Semiconductor Corp, CY62128BNLL-55ZXI Datasheet - Page 5

• Manufacturer Part Number: CY62128BNLL-55ZXI
• Description: IC SRAM 128KX8 PD LP 32-TSOP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY62128BNLL-55ZXI

• Format - Memory: RAM
• Memory Type: SRAM
• Memory Size: 1M (128K x 8)
• Speed: 55ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TSOP I
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Document #: 001-06498 Rev. *B
Switching Characteristics
Switching Waveforms
Read Cycle No.1
Notes:
10. The internal write time of the memory is defined by the overlap of CE
11. Device is continuously selected. OE, CE
12. WE is HIGH for read cycle.
READ CYCLE
t
t
t
t
t
t
t
t
t
t
t
WRITE CYCLE
t
t
t
t
t
t
t
t
t
t
7. Test conditions assume signal transition time of 5 ns or less, timing reference levels of 1.5V, input pulse levels of 0 to 3.0V, and output loading of the specified
8. t
9. At any given temperature and voltage condition, t
RC
AA
OHA
ACE
DOE
LZOE
HZOE
LZCE
HZCE
PU
PD
WC
SCE
AW
HA
SA
PWE
SD
HD
LZWE
HZWE
Parameter
DATA OUT
ADDRESS
I
write, and the transition of any of these signals can terminate the write. The input data set-up and hold timing should be referenced to the leading edge of the
signal that terminates the write.
OL
HZOE
/I
OH
, t
and 100-pF load capacitance.
HZCE
, and t
[10]
Read Cycle Time
Address to Data Valid
Data Hold from Address Change
CE
OE LOW to Data Valid
OE LOW to Low Z
OE HIGH to High Z
CE
CE
CE
CE
Write Cycle Time
CE
Address Set-up to Write End
Address Hold from Write End
Address Set-up to Write Start
WE Pulse Width
Data Set-up to Write End
Data Hold from Write End
WE HIGH to Low Z
WE LOW to High Z
HZWE
[11, 12]
1
1
1
1
1
1
LOW to Data Valid, CE
LOW to Low Z, CE
HIGH to High Z, CE
LOW to Power-up, CE
HIGH to Power-down, CE
LOW to Write End, CE
are specified with a load capacitance of 5 pF as in (b) of AC Test Loads. Transition is measured 500 mV from steady-state voltage.
PREVIOUS DATA VALID
[7]
1
Over the Operating Range
= V
[9]
[8, 9]
[7, 9]
IL
, CE
t
Description
2
OHA
HZCE
2
HIGH to Low Z
2
LOW to High Z
= V
2
2
2
is less than t
HIGH to Power-up
HIGH to Write End
HIGH to Data Valid
IH
2
.
LOW to Power-down
t
AA
LZCE
1
[9]
LOW, CE
[8, 9]
, t
HZOE
is less than t
2
t
RC
HIGH, and WE LOW. CE
LZOE
, and t
CY62128BN-55
Min.
55
55
45
45
45
25
5
0
0
0
5
0
0
5
HZWE
1
and WE must be LOW and CE
is less than t
Max.
55
55
20
20
20
55
20
DATA VALID
LZWE
CY62128BN-70
Min.
70
70
60
60
50
30
for any given device.
5
0
5
0
0
0
0
5
CY62128BN
Max.
2
70
70
35
25
25
70
25
HIGH to initiate a
MoBL
Page 5 of 12
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns

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